C3123223313331322121111331333133313231333132212111112111113232222331   >>    C312322331333132212111133133313331323133313221211111211111323222233   <<    C3123223313331322121111331333133313231333132212111112111113232222333   >>      C3123223313331322121111331333133313231333132212111112111113232222332   >>